Main Engine Cut Off

Opinion and analysis of spaceflight, exploration, policy, and strategy, by Anthony Colangelo.

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T+273: Mars Sample Return

NASA is heading back to the drawing board for a Mars Sample Return architecture, and is accepting proposals for mission studies by May. I talk about a few takeaways from the communication of that plan, and ponder whether or not SpaceX is going to do the damn thing.

📓 Show Notes

T+272: Moon Rovers, Space Stations, and Starships

NASA selected 3 teams to work on unpressurized rovers for Artemis, while Japan signed on officially to provide a pressurized rover in exchange for seats on Artemis landers. Elsewhere, Mitsubishi took a stake in Starlab, and I still needed to catch up on Starship’s 3rd flight and the ensuing update from SpaceX.

📓 Show Notes

T+271: Checking in on the Chinese Space Industry (with Andrew Jones)

Andrew Jones returns to the show to catch up on the Chinese space industry—Tiangong, reusable launchers, constellations, and the Moon.

📓 Show Notes

T+270: K2 Space (with Neel Kunjur, Co-Founder and CTO)

Neel Kunjur, Co-Founder and CTO of K2 Space, joins me to talk about their vision for the future of satellites and the wider space industry, what they’ve been up to lately, and what their roadmap to the launch pad looks like from here.

📓 Show Notes

T+269: IM-1 and Beyond (with Tim Crain, Co-Founder and CTO of Intuitive Machines)

Tim Crain, Co-Founder and CTO of Intuitive Machines, joins me to talk about their recent IM-1 mission to land Odysseus on the Moon as part of NASA’s CLPS program.

📓 Show Notes

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